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History of the manufacturer  

Cook's Wireless Co., Ipswich

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Name: Cook's Wireless Co., Ipswich    (GB)  
Abbreviation: cook
Products: Model types
Summary:

Cook's Wireless Co., Ltd., 23, St Helens Street, Ipswich.

History:

This manufacturer was suggested by John Koster.


Some models:
Country Year Name 1st Tube Notes
GB  27 CWC 3-Valve Standard   Grid-leak detector, transformer-coupled LF valve, resistance-capacity-coupled LF valve. Wa... 
GB  27 CWC 4-Valve De Luxe   Grid-leak detector, transformer-coupled LF valve, two resistance-capacity-coupled LF valve... 
GB  27 CWC 4-Valve Popular   Grid-leak detector, transformer-coupled LF valve, two resistance-capacity-coupled LF valve... 
GB  27 CWC 2-Valve Standard   Grid-leak detector, transformer-coupled LF valve. Wave range 250-2000 metres. Cabinet with... 
GB  27 CWC 2-Valve Popular   Grid-leak detector plus transformer-coupled LF valve. Wave range 250-2000 metres. Cabinet ... 
GB  27 CWC 3-Valve Popular   Grid-leak detector, transformer-coupled LF valve, resistance-capacity-coupled LF valve. Wa... 
GB  27 CWC 3-Valve De Luxe   Grid-leak detector, transformer-coupled LF valve, resistance-capacity-coupled LF valve. Wa... 

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